CN215898043U - High-power cooling magnetic yoke - Google Patents
High-power cooling magnetic yoke Download PDFInfo
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- CN215898043U CN215898043U CN202121311209.1U CN202121311209U CN215898043U CN 215898043 U CN215898043 U CN 215898043U CN 202121311209 U CN202121311209 U CN 202121311209U CN 215898043 U CN215898043 U CN 215898043U
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Abstract
The utility model provides a high power cooling yoke, comprising: the cooling device comprises an upper fixing plate, an upper silicon steel sheet set, a cooling shielding plate, a lower silicon steel sheet set, a lower fixing plate, at least one group of bolt assemblies and at least one back plate 7; the lower silicon steel sheet group is arranged above the lower fixing plate; the cooling shielding plate is arranged above the lower silicon steel sheet group; the upper silicon steel sheet group is arranged above the cooling shielding plate; the upper fixing plate is arranged above the upper silicon steel sheet group; the bolt assembly penetrates through the upper fixing plate, the upper silicon steel sheet group, the cooling shielding plate, the lower silicon steel sheet group and the lower fixing plate and fixes the upper fixing plate, the upper silicon steel sheet group, the cooling shielding plate, the lower silicon steel sheet group and the lower fixing plate together; the back plate 7 is arranged on one side of the upper silicon steel sheet group and the lower silicon steel sheet group, the upper end of the back plate is fixedly connected with the upper fixing plate, and the lower end of the back plate is fixedly connected with the lower fixing plate. The induction heating device has the advantages that the induction heating of the high-power high-voltage inductor to the magnet yoke and the external metal component is solved, the bearing capacity of the magnet yoke to the inductor is improved, the utilization rate of silicon steel sheets is improved, and the manufacturing and the maintenance are convenient.
Description
Technical Field
The utility model relates to a magnetic yoke, in particular to a high-power cooling magnetic yoke.
Background
With the increasing requirement of the industry on production efficiency, the electric induction furnace starts to develop towards high melting rate and high power, which means that the inductor must be designed to have high voltage and high power, the longitudinal magnetic flux generated by the inductor is more and more, the magnetic flux can inductively heat the metal component outside the inductor, and in order to reduce the leakage magnetic flux and reduce heat generation, a group of magnetic yokes formed by laminating silicon steel sheets are often installed outside the inductor.
The size and the shape error of present yoke owing to making, the stack of silicon steel sheet in the frame is difficult to accomplish closely knit, and this has influenced the magnetic conduction efficiency of yoke to a great extent. The contact surface between frame and the silicon steel sheet can weld, and this just makes whole yoke damage, can't maintain it, causes the waste.
SUMMERY OF THE UTILITY MODEL
The high-power cooling magnetic yoke provided by the utility model solves the problem that a high-power high-voltage inductor inductively heats the magnetic yoke and an external metal component, improves the supporting capacity of the magnetic yoke on the inductor, improves the utilization rate of silicon steel sheets, and is convenient to manufacture and maintain; to overcome the disadvantages of the prior art.
The utility model provides a high power cooling yoke, comprising: the device comprises an upper fixing plate 1, an upper silicon steel sheet group 2, a cooling shielding plate 3, a lower silicon steel sheet group 4, a lower fixing plate 5, at least one group of bolt assemblies 6 and at least one back plate 7; the lower silicon steel sheet group 4 is arranged above the lower fixing plate 5; the cooling shielding plate 3 is arranged above the lower silicon steel sheet group 4; the upper silicon steel sheet group 2 is arranged above the cooling shielding plate 3; the upper fixing plate 1 is arranged above the upper silicon steel sheet group 2; the bolt assembly 6 penetrates through the upper fixing plate 1, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate 5 and fixes the upper fixing plate, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate together; the back plate 7 is arranged on one side of the upper silicon steel sheet group 2 and the lower silicon steel sheet group 4, the upper end of the back plate is fixedly connected with the upper fixing plate 1, and the lower end of the back plate is fixedly connected with the lower fixing plate 5.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the device also comprises an upper insulation protection plate 8 and a lower insulation protection plate 9; the upper insulation protection plate 8 is fixed above the upper fixing plate 1; the lower insulation protection plate 9 is fixed below the lower fixing plate 5.
Further, the present invention provides a high power cooling yoke, which may also have the following features: at least one fixing nut is fixedly welded on the upper surface of the upper fixing plate 1; the upper insulation protection plate 8 is provided with at least one upper fixing bolt; the threaded end of the upper fixing bolt penetrates through the upper insulation protection plate 8 and is meshed with the corresponding upper fixing nut; at least one fixing nut 91 is fixedly welded on the lower surface of the lower fixing plate 5; the lower insulation guard 9 is provided with a lower at least one fixing bolt 92; the threaded end of the lower fixing bolt 92 passes through the lower insulation guard 9 to be engaged with the corresponding lower fixing nut 91.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the upper fixing plate 1 and/or the lower fixing plate 5 has a cooling water pipe 11.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the cross section of the cooling water pipe is C-shaped, and one side of the opening is fixedly connected with the upper fixing plate 1 and/or the lower fixing plate 5 in a welding mode to form a closed pipeline.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the cooling water pipes are connected in an end-to-end manner; the cooling water pipe is provided with a water inlet interface and a water outlet interface.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the upper fixing plate 1, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate 5 are provided with fixing holes corresponding to the positions and the sizes; the bolt assembly 6 comprises a screw 61, an insulating sleeve 62, a lower nut 64 and an upper nut 63; the height of the insulating sleeve 62 is matched with the total height of the fixing holes of the upper fixing plate 1, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate 5; the screw 61 is sleeved with the insulating sleeve 62, and the screw 61 and the insulating sleeve 62 penetrate through the fixing hole; the lower end of the screw rod 61 penetrates through the lower fixing plate 5 and is meshed with the lower nut 64; the upper end of the screw 61 penetrates through the upper fixing plate 1 and is engaged with the upper nut 63.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the bolt assembly 6 further comprises a lower gasket, a lower insulating gasket, an upper gasket and an upper insulating gasket; the upper insulating gasket is attached to the upper surface of the upper fixing plate 1, and the upper gasket is attached to the upper surface of the upper insulating gasket; the lower insulating gasket is attached to the lower surface of the lower fixing plate 5, and the lower gasket is attached to the lower surface of the lower insulating gasket.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the back plate 7 has a back plate cooling water pipe 71.
Further, the present invention provides a high power cooling yoke, which may also have the following features: the upper fixing plate 1, the lower fixing plate 5 and the back plate 7 are stainless steel plates; the cooling shield plate 3 is a copper plate.
According to the high-power cooling magnetic yoke, the frame and the silicon steel sheet can be detachably separated, so that a machine can be conveniently replaced and maintained; and the silicon steel sheets are stacked more closely, the utilization rate of the silicon steel sheets is improved, the magnetic yoke is uniformly and effectively cooled, and the service life of the magnetic yoke can be prolonged.
Drawings
Fig. 1 is a partial front view of a high power cooling yoke in an embodiment.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is a sectional view of the portion C of fig. 2.
Fig. 4 is a partial bottom view of the high power cooling yoke in an embodiment.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
Examples
As shown in fig. 1, in the present embodiment, the high power cooling yoke includes: the silicon steel sheet cooling device comprises an upper fixing plate 1, an upper silicon steel sheet group 2, a cooling shielding plate 3, a lower silicon steel sheet group 4, a lower fixing plate 5, a plurality of groups of bolt assemblies 6 and a plurality of back plates 7. Fig. 1 and 4 are sectional views showing the length of a part of the product due to the long length of the actual yoke.
The lower silicon steel sheet group 4 is arranged above the lower fixing plate 5; the cooling shielding plate 3 is arranged above the lower silicon steel sheet group 4; the upper silicon steel sheet group 2 is arranged above the cooling shielding plate 3; the upper fixing plate 1 is arranged above the upper silicon steel sheet group 2. The cooling shielding plate 3 can play a role in shielding magnetic flux for the upper and lower groups of silicon steel sheet groups and can carry out continuous cooling. The upper silicon steel sheet group 2 and the lower silicon steel sheet group 4 are formed by laminating a plurality of silicon steel sheets. The upper fixing plate 1, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate 5 are provided with fixing holes corresponding to the positions and the sizes.
In this embodiment, the bolt assembly 6 includes a screw 61, an insulating sleeve 62, a lower nut 64, an upper nut 63, a lower washer, a lower insulating washer, an upper washer, and an upper insulating washer.
The height of the insulating sleeve 62 is matched with the total height of the fixing holes of the upper fixing plate 1, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate 5. The insulating sleeve 62 is sleeved on the screw 61, and the screw 61 and the insulating sleeve 62 penetrate through the fixing hole. The insulating sleeve 62 is completely received within the fixation hole.
The lower end of the screw rod 61 penetrates through the lower fixing plate 5, then sequentially penetrates through the lower insulating gasket and the lower insulating gasket, and is meshed with the lower nut 64; so that the lower insulating pad is attached to the lower surface of the lower fixing plate 5 and the lower pad is attached to the lower surface of the lower insulating pad. The upper end of the screw rod 61 penetrates through the upper fixing plate 1, sequentially penetrates through the upper insulating gasket and the upper gasket, and is meshed with the upper nut 63; so that the upper insulating spacer is attached to the upper surface of the upper fixing plate 1 and the upper spacer is attached to the upper surface of the upper insulating spacer.
The bolt assembly 6 fixes the upper fixing plate 1, the upper silicon steel sheet group 2, the cooling shielding plate 3, the lower silicon steel sheet group 4 and the lower fixing plate 5 together; and the screw rod and the two silicon steel sheet groups are completely separated by the upper insulating gasket, the lower insulating gasket and the insulating sleeve, so that the screw rod is in an insulating state and cannot be failed by induction heating.
As shown in fig. 2, the back plate 7 is uniformly disposed on the right side of the upper silicon steel sheet set 2 and the lower silicon steel sheet set 4, the upper end of the back plate is welded and fixed to the upper fixing plate 1, and the lower end of the back plate is welded and fixed to the lower fixing plate 5. The back plate 7, the upper fixing plate 1 and the lower fixing plate 5 form a fixing frame, and the upper silicon steel sheet group 2 and the lower silicon steel sheet group 4 can be completely and tightly attached to two surfaces.
The back plate 7 can be provided with a back plate cooling water pipe 71 as required to realize continuous cooling and heat dissipation of the back plate. The upper end and the lower end of the back plate cooling water pipe 71 are respectively provided with a water inlet and a water outlet, or are connected with other back plate cooling water pipes through connecting pipes.
In this embodiment, both the upper fixing plate 1 and the lower fixing plate 5 have cooling water pipes to perform a continuous cooling function. The cross section of the cooling water pipe is C-shaped, and one surface of the opening is fixedly connected with the upper fixing plate 1 or the lower fixing plate 5 in a welding mode to form a closed pipeline. As shown in FIG. 4, the cooling water pipes are connected in a square ring shape and matched with the shapes of the upper fixing plate 1 and the lower fixing plate 5. The cooling water pipe 11 has a water inlet port 12 and a water outlet port 13.
In this embodiment, the high power cooling yoke further includes: an upper insulation guard 8 and a lower insulation guard 9. As shown in fig. 3, a plurality of lower fixing nuts 91 are welded and fixed to the lower surface of the lower fixing plate 5. The lower insulation guard 9 is provided with a plurality of lower fixing bolts 92. The threaded end of the lower fixing bolt 92 penetrates through the lower insulation protection plate 9 and is meshed with the corresponding lower fixing nut 91, so that the lower insulation protection plate 9 is fixedly connected with the lower fixing plate 5. A gasket is also arranged between the lower insulating protection plate 9 and the lower fixing bolt 92.
Similarly, a plurality of fixing nuts are welded and fixed on the upper surface of the upper fixing plate 1. The upper insulation protection plate 8 is provided with a plurality of fixing bolts. The threaded end of the upper fixing bolt passes through the upper insulating protection plate 8 and is meshed with the corresponding upper fixing nut. And the upper insulation protection plate 8 is fixedly connected with the upper fixing plate 1. A gasket is arranged between the upper insulation protection plate 8 and the upper fixing bolt.
An upper insulation guard 8 and a lower insulation guard 9. The whole magnetic yoke is secondarily insulated and wrapped, so that the induction heating of the longitudinal magnetic flux to the magnetic yoke is avoided. The high-power cooling magnet yoke can be easily disassembled and assembled, the reutilization rate of the magnet yoke is increased to a great extent, and waste is reduced.
In this embodiment, the upper fixing plate 1, the lower fixing plate 5 and the back plate 7 are stainless steel plates; the cooling shield plate 3 is a copper plate. The screw and the two nuts in the bolt component 6 are also made of stainless steel.
The embodiments described above are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (10)
1. A high power cooling yoke characterized by: the cooling device comprises an upper fixing plate (1), an upper silicon steel sheet group (2), a cooling shielding plate (3), a lower silicon steel sheet group (4), a lower fixing plate (5), at least one group of bolt assemblies (6) and at least one back plate (7);
wherein the lower silicon steel sheet group (4) is arranged above the lower fixing plate (5);
the cooling shielding plate (3) is arranged above the lower silicon steel sheet group (4);
the upper silicon steel sheet group (2) is arranged above the cooling shielding plate (3);
the upper fixing plate (1) is arranged above the upper silicon steel sheet group (2);
the bolt assembly (6) penetrates through the upper fixing plate (1), the upper silicon steel sheet group (2), the cooling shielding plate (3), the lower silicon steel sheet group (4) and the lower fixing plate (5) and fixes the upper fixing plate, the lower silicon steel sheet group and the lower fixing plate together;
the backboard (7) is arranged on one side of the upper silicon steel sheet group (2) and one side of the lower silicon steel sheet group (4), the upper end of the backboard is fixedly connected with the upper fixing plate (1), and the lower end of the backboard is fixedly connected with the lower fixing plate (5).
2. The high power cooling yoke of claim 1, wherein:
the device also comprises an upper insulation protection plate (8) and a lower insulation protection plate (9);
the upper insulation protection plate (8) is fixed above the upper fixing plate (1);
the lower insulation protection plate (9) is fixed below the lower fixing plate (5).
3. The high power cooling yoke of claim 2, wherein:
at least one fixing nut is fixedly welded on the upper surface of the upper fixing plate (1); the upper insulation protection plate (8) is provided with at least one upper fixing bolt; the threaded end of the upper fixing bolt penetrates through the upper insulation protection plate (8) and is meshed with the corresponding upper fixing nut;
at least one fixing nut (91) is fixedly welded on the lower surface of the lower fixing plate (5); the lower insulation protection plate (9) is provided with at least one lower fixing bolt (92); the thread end of the lower fixing bolt (92) penetrates through the lower insulation protection plate (9) and is meshed with the corresponding lower fixing nut (91).
4. The high power cooling yoke of claim 1, wherein:
wherein the upper fixing plate (1) and/or the lower fixing plate (5) has cooling water pipes (11).
5. The high power cooling yoke of claim 4, wherein:
the cross section of the cooling water pipe is C-shaped, and one side of the opening is fixedly connected with the upper fixing plate (1) and/or the lower fixing plate (5) in a welding mode to form a closed pipeline.
6. The high power cooling yoke of claim 4, wherein:
wherein the cooling water pipes are connected in an end-to-end manner;
the cooling water pipe is provided with a water inlet interface and a water outlet interface.
7. The high power cooling yoke of claim 1, wherein:
the upper fixing plate (1), the upper silicon steel sheet group (2), the cooling shielding plate (3), the lower silicon steel sheet group (4) and the lower fixing plate (5) are provided with fixing holes corresponding to positions and sizes;
the bolt assembly (6) comprises a screw rod (61), an insulating sleeve (62), a lower nut (64) and an upper nut (63);
the height of the insulating sleeve (62) is matched with the total height of the fixing holes of the upper fixing plate (1), the upper silicon steel sheet group (2), the cooling shielding plate (3), the lower silicon steel sheet group (4) and the lower fixing plate (5);
the insulating sleeve (62) is sleeved on the screw rod (61), and the screw rod (61) and the insulating sleeve (62) penetrate through the fixing hole;
the lower end of the screw rod (61) penetrates through the lower fixing plate (5) and is meshed with the lower nut (64);
the upper end of the screw rod (61) penetrates out of the upper fixing plate (1) and is meshed with the upper nut (63).
8. The high power cooling yoke of claim 7, wherein:
wherein the bolt assembly (6) further comprises a lower gasket, a lower insulating gasket, an upper gasket and an upper insulating gasket;
the upper insulating gasket is attached to the upper surface of the upper fixing plate (1), and the upper gasket is attached to the upper surface of the upper insulating gasket;
the lower insulating gasket is attached to the lower surface of the lower fixing plate (5), and the lower gasket is attached to the lower surface of the lower insulating gasket.
9. The high power cooling yoke of claim 1, wherein:
wherein the back plate (7) has a back plate cooling water pipe (71).
10. The high power cooling yoke according to any one of claims 1 to 9, characterized in that:
wherein the upper fixing plate (1), the lower fixing plate (5) and the back plate (7) are stainless steel plates; the cooling shielding plate (3) is a copper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121311209.1U CN215898043U (en) | 2021-06-11 | 2021-06-11 | High-power cooling magnetic yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121311209.1U CN215898043U (en) | 2021-06-11 | 2021-06-11 | High-power cooling magnetic yoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215898043U true CN215898043U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121311209.1U Active CN215898043U (en) | 2021-06-11 | 2021-06-11 | High-power cooling magnetic yoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215898043U (en) |
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2021
- 2021-06-11 CN CN202121311209.1U patent/CN215898043U/en active Active
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